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Why does datetime.datetime.utcnow() not contain timezone information?
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194
That means it is timezone naive, so you can't use it with datetime.astimezone
you can give it a...
Convert a list of data frames into one data frame
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148
Use bind_rows() from the dplyr package:
bind_rows(list_of_dataframes, .id = "column_label")
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Cross browser JavaScript (not jQuery…) scroll to top animation
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140
function scrollTo(element, to, duration) {
if (duration <= 0) return;
var difference...
How to calculate the sentence similarity using word2vec model of gensim with python
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answered Mar 2 '14 at 16:18
Michael Aaron SafyanMichael Aaron Safyan
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How to calculate a logistic sigmoid function in Python?
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applicationWillEnterForeground vs. applicationDidBecomeActive, applicationWillResignActive vs. appli
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When waking up i.e. relaunching an app (either through springboard, app switching or URL) appl...
从网购到火车票，对比淘宝12306网为何如此烂？ - 大数据 & AI - 清泛网 - ...
...，其中无线支付近900万笔，支付宝核心数据库集群处理了41亿个事务，执行285亿次SQL，生成15TB日志，访问1931亿次内存数据块，13亿个物理读，核心MySQL集群一天支持了20亿个事务。
淘宝的技术人员以实际行动让网民折服，虽然在...
How to get a JavaScript object's class?
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There's no exact counterpart to Java's getClass() in JavaScript. Mostly that's due to JavaScript...
How to drop a database with Mongoose?
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